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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 kryp·ton /ˈkrɪpˌtɑn/
 氪

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 kryp·ton /ˈkrɪpˌtɑn/ 名詞
 氪

From: Webster's Revised Unabridged Dictionary (1913)

 Kryp·ton n.  Chem. An inert gaseous element of the argon (noble gas) group, of atomic number 36, occurring in air to the extent of about one volume in a million.  It was discovered by Ramsay and Travers in 1898.  Boiling point, -152.3° C.; melting point, -156.6° C.; symbol, Kr; atomic weight, 83.8.
 ◄ ►

From: WordNet (r) 2.0

 krypton
      n : a colorless element that is one of the six inert gasses;
          occurs in trace amounts in air [syn: Kr, atomic number
           36]

From: Elements database 20001107

 krypton
 Symbol: Kr
 Atomic number: 36
 Atomic weight: 83.80
 Colorless gaseous element, belongs to the noble gases. Occurs in the air,
 0.0001% by volume. It can be extracted from liquid air by fractional
 distillation. Generally not isolated, but used with other inert gases in
 fluorescent lamps. Five natural isotopes, and five radioactive isotopes.
 Kr-85, the most stable radioactive isotope, has a half-life of 10.76
 years and is produced in fission reactors. Practically inert, though known
 to form compounds with fluorine.